import numpy as np

matrix = np.array([[ 1.57267649e-02 ,-1.11941836e+00 , 5.05854918e+02],
                   [-1.26391803e+00, -1.37376344e-03,  4.01176287e+02],
                   [-2.16840434e-19 , 0.00000000e+00 , 1.00000000e+00]])
matrix_laolaobei=np.array([[ 2.91010860e-02 ,-9.53052554e-01 , 4.58569966e+02],
 [-1.08471623e+00, -8.78458128e-02 , 3.66932336e+02],
 [ 0.00000000e+00 ,-3.46944695e-18 , 1.00000000e+00]])